<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>object.assign</title>
</head>
<body>
    <script>
        const gu=(xiang)=>{
           const rui={
                name:'grx',
                age:20
            };
           console.log(Object.assign({},rui,xiang));
        }
        gu({name:'li',age:0});
    </script>
</body>
</html>